Pre-calculus courses can help you learn functions, trigonometry, complex numbers, and polynomial equations. You can build skills in graphing functions, solving equations, and understanding limits, which are crucial for calculus and other advanced math topics. Many courses introduce tools like graphing calculators and software for visualizing functions, which enhance your ability to analyze mathematical concepts and apply them in various fields such as engineering, physics, and computer science.

Skills you'll gain: Data Manipulation, Data Processing, Data Pipelines, Data Transformation, Data Quality, Data Cleansing, Data Import/Export, Extract, Transform, Load, Exploratory Data Analysis, Big Data, Google Cloud Platform, Google Analytics
Intermediate · Project · Less Than 2 Hours

Amazon Web Services
Skills you'll gain: VMware ESX Servers, Data Migration, Amazon Web Services, Virtual Machines, Cloud Infrastructure, Amazon Elastic Compute Cloud, Hybrid Cloud Computing, Cloud Management, AWS Identity and Access Management (IAM), Public Cloud, Cloud Computing Architecture, Application Performance Management, Verification And Validation, Application Deployment, System Implementation, Performance Tuning, Network Infrastructure
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Data Validation, Regression Analysis, Exploratory Data Analysis, Verification And Validation, Plot (Graphics), Mathematical Modeling, Statistical Methods, Statistical Modeling, Data Transformation, Predictive Modeling, Correlation Analysis, Statistical Analysis, R Programming, Statistical Inference, Linear Algebra
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Rust (Programming Language), Data Structures, Package and Software Management, Maintainability, Algorithms, Software Testing, Software Design Patterns
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Feature Engineering, AWS SageMaker, Data Cleansing, Apache Spark, Extract, Transform, Load, Data Pipelines, Data Transformation, Amazon Web Services, Responsible AI, Data Quality, Data Integrity, Data Validation, Personally Identifiable Information, Machine Learning Methods
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: PHP (Scripting Language), Model View Controller, Restful API, Web Development, Object-Relational Mapping, Web Applications, Full-Stack Web Development, Development Environment, Software Testing, Back-End Web Development, Application Frameworks, Database Management, Application Security, Authentications, Authorization (Computing), Package and Software Management
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Verification And Validation, Systems Design, Theoretical Computer Science, Systems Analysis, Computer Architecture, Software Architecture, Simulations, Graph Theory, Hardware Architecture, Logical Reasoning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Unit Testing, Software Quality Assurance, Integrated Development Environments, Software Testing, Quality Assurance, Java, Software Development Tools, Debugging, Performance Testing
Intermediate · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Unit Testing, Test Case, Test Driven Development (TDD), Debugging, Software Testing, Development Testing, Test Automation, Test Tools, Quality Assurance
Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Natural Language Processing, Large Language Modeling, Generative AI, Text Mining, Prompt Engineering, LLM Application, Applied Machine Learning, Data Processing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Threat Management, Microsoft Azure, Cloud Security, Key Management, Data Security, Security Information and Event Management (SIEM), Data Structures, Firewall, Virtual Environment, Identity and Access Management, Query Languages
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Test Automation, Selenium (Software), Test Tools, Test Case, Software Testing, Test Execution Engine, Test Data, Apache Maven, Automation, Application Frameworks, Java, Extensible Markup Language (XML), Data Import/Export
Beginner · Course · 1 - 3 Months